Question 4 1

The DATE structure has three fields, all integers: month day year A STU structure has two fields: name, a string and date of type DATE. STU sam; STU *ptr = &sam; How do you assign 2 to month in sam using ptr? Group of answer choices

A(*ptr).date->month = 2;

B ptr->date.month = 2;

C ptr->month = 2;

D *ptr.date.month = 2;

Question 6

Partial initialization of structures is similar to partial initialization of arrays: uninitialized elements are

A set to 0.

B have unknown values.

C set to a default standard value.

D It is not possible to partially initialize a structure.

Q7 What is missing from the following statements?

double length;

scanf(%lf, &length);

A Replace "%lf" with "%f"

B Double quotes around %lf: "%lf"

C Nothing

D Double quotes in scanf: scanf("%lf, &length");

Q.8 Given the code fragment below:

double *test(double, int *); // declaration

int quantity = 22;

double unit_price = 3.99;

double *p = &unit_price;

double *q;

Which one of the following calls matches the function

A q = test(*p, quantity);

B q = test(&p, &quantity);

C q = test(p, &quantity);

D q = test(*p, &quantity);

Q9 Assume that your computer has one-byte chars and eight-byte pointers.

char s[16] = "Bytes";

char *ptr = s;

What is the value of the following expression?

sizeof(*ptr)

A 5

B 1

C 16

D 8

Q 10 How many bytes do you have to allocate to store strings such as "SFO" or "LAX"?

A 3

B 5

C 4

D 6

Q.11 What marks the end of a C-string?

A NULL

B '\t'

C '\0'

D '0'

E' '